diff --git a/fNIRS_module.py b/fNIRS_module.py
index a56826a..c3bcdf1 100644
--- a/fNIRS_module.py
+++ b/fNIRS_module.py
@@ -24,6 +24,7 @@ from multiprocessing import Queue
 from typing import Any, Optional, cast, Literal, Iterator, Union
 
 # External library imports
+import h5py
 import pywt # type: ignore
 import qtpy # type: ignore
 import xlrd # type: ignore
@@ -1919,7 +1920,6 @@ def run_GLM_analysis(data: BaseRaw, design_matrix: DataFrame) -> RegressionResul
 
 def calculate_dpf(file_path):
     # order is hbo / hbr
-    import h5py
     with h5py.File(file_path, 'r') as f:
         wavelengths = f['/nirs/probe/wavelengths'][:]
         print("Wavelengths (nm):", wavelengths)